Safety Direct LS 310 Kevlar Single-Leg FR Shock Lanyard | Canada
Safety Direct LS 310 Kevlar Single-Leg FR Shock Lanyard instructions and documents
Safety Direct's own documents. Read the instructions before first use.
Safety Direct LS 310 Kevlar single-leg energy-absorbing lanyard. A fire-resistant single-leg shock-absorbing lanyard for welders and hot work, in 100% Kevlar webbing for workers 110 to 310 lb. Choose a 310 polyester or 310 Kevlar energy absorber, fixed or adjustable length, snap, ladder or scaffold hooks, or the Arc Safe versions with dielectric snaps and a Nomex cover, in 3 to 6 ft.
Safety Direct LS 310 Kevlar lanyard key features
- 100% Kevlar webbing, 1 3/4 in (45 mm), 5,000 lb (23 kN) minimum tensile
- Fire resistant: for welding, grinding sparks, abrasive surfaces and high heat
- 310 polyester or 310 Kevlar energy absorber under clear heat-shrink tubing for inspection
- Snap, ladder or scaffold hooks: 5,000 lb (23 kN) break, 3,600 lb (16 kN) gate
- Fixed or adjustable length, 3 to 6 ft
- Arc Safe versions with dielectric snaps and Nomex cover, including a loop-end option
Safety Direct LS 310 Kevlar single-leg lanyard specifications
| Manufacturer | Safety Direct Ltd., Sherwood Park, Alberta |
|---|---|
| Model | LS 310 Kevlar single-leg lanyard (22 SKUs) |
| Standard | CSA Z259.11-17 (per Safety Direct) |
| User capacity | 110-310 lb (50-140 kg) incl. clothing and equipment |
| Max free fall | 6 ft (1.8 m) |
| Max deployment | 11.3 ft (3.5 m) |
| Webbing | 100% Kevlar, 1 3/4 in (45 mm), 5,000 lb (23 kN) min tensile |
| Energy absorber | 310 Kevlar (LS?K8K) or 310 polyester (LS?K8P) |
| Hooks | Snap/snap, snap/ladder, snap/scaffold; Arc Safe: dielectric snaps or loop/dielectric snap |
| Lengths | 3, 4, 5, 6 ft fixed or adjustable (by SKU) |
Where the LS 310 Kevlar shock lanyard works best
Welding at height
Kevlar resists sparks and spatter.
Grinding and cutting
Handles abrasion and hot debris.
Electrical work
Arc Safe version with dielectric snaps.
Steel and scaffold
Scaffold hook opens around pipe and beam.
LS 310 Kevlar lanyard questions and CSA status
Is the Safety Direct LS 310 Kevlar lanyard CSA certified?
Yes. Safety Direct states the LS 310 Kevlar lanyard is certified to CSA Z259.11-17 for workers 110 to 310 lb.
Kevlar or polyester energy absorber: which should I pick?
Safety Direct offers both 310 absorbers on the same Kevlar webbing. The polyester absorber versions cost less; choose the Kevlar absorber if your hot-work program calls for an all-Kevlar lanyard.
How much clearance does the LS 310 Kevlar need?
Safety Direct lists a 6 ft maximum free fall and 11.3 ft maximum deployment. Add harness stretch and a safety margin when you calculate clearance.
What is the Arc Safe LS 310 Kevlar lanyard?
It has dielectric snap hooks and a Nomex cover, per Safety Direct's 2026 catalogue. No arc rating is published, so confirm it meets your electrical safety program.
Pair the LS 310 Kevlar lanyard with a full fall arrest system
Clip the LS 310 Kevlar lanyard to the dorsal D-ring of a Kevlar welder harness and a rated anchor.